code: def data():
      X = np.random.randint(-5, 5, (1, 2, 3), dtype="int32")
      return X
  
file_path: hls4ml/test/pytest/test_clone_flatten.py
imports: from pathlib import Path
  import numpy
  import pytest
  from tensorflow.keras.layers import Concatenate, Flatten, Input
  from tensorflow.keras.models import Model
  import hls4ml
label_desc: Use image node_id 1 for calling a global function with example usage: data() and returns: X